#include sourcemod
#include sdktools
#include sdkhooks

public Action OnPlayerRunCmd(int client, int& buttons, int& impulse, float vel[3], float angles[3], int& weapon)
{
    if(buttons & IN_ZOOM)
    {
        if(bIsSurvivor(client))
        {
            //decl String:weaponn[32];
            //GetEntityClassname(iCurrentWeapon, weaponn, sizeof(weaponn));
            new item_slot = 0;
            if (IsValidEntity(weapon))
            {
                for (new slot = 0; slot <= 5; slot++)
                {
                    item_slot = GetPlayerWeaponSlot(client, slot);
                    if(IsValidEntity(item_slot))
                    {
                        SDKCallWeaponDrop(client, item_slot);
                        break;
                    }
                }
            }
        }
    }
}

stock SDKCallWeaponDrop(client, weapon)
{
    decl Float:vecAngles[3], Float:vecTarget[3], Float:vecVelocity[3];
    if (GetPlayerEye(client, vecTarget))
    {
        GetClientEyeAngles(client, vecAngles);
        GetAngleVectors(vecAngles, vecVelocity, NULL_VECTOR, NULL_VECTOR)
        vecVelocity[0] *= 800.0;
        vecVelocity[1] *= 800.0;
        vecVelocity[2] *= 800.0;

        SDKHooks_DropWeapon(client, weapon, NULL_VECTOR, NULL_VECTOR);

        TeleportEntity(weapon, NULL_VECTOR, NULL_VECTOR, vecVelocity)
    }
}

stock bool:GetPlayerEye(client, Float:vecTarget[3])
{
    decl Float:Origin[3], Float:Angles[3];
    GetClientEyePosition(client, Origin);
    GetClientEyeAngles(client, Angles);

    new Handle:trace = TR_TraceRayFilterEx(Origin, Angles, MASK_SHOT, RayType_Infinite, TraceEntityFilterPlayer);
    if (TR_DidHit(trace))
    {
        TR_GetEndPosition(vecTarget, trace);
        CloseHandle(trace);
        return true;
    }
    CloseHandle(trace);
    return false;
}

public bool:TraceEntityFilterPlayer(entity, contentsMask)
{
    return entity > GetMaxClients() || !entity;
}

stock bool bIsSurvivor(int client)
{
    return client > 0 && client <= MaxClients && IsClientInGame(client) && GetClientTeam(client) == 2 && !IsClientInKickQueue(client) && IsPlayerAlive(client);
}